250+ iOS apps curated and reviewed
Out of 250+ ngs benchmark hunter apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (4) | No | No | Oct 2026 | |
| 2 |  | Free | 2.9★ (8) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (1) | No | Yes | Oct 2026 | |
| 4 |  | $9.99 | — | No | No | May 2026 | |
| 5 |  | Free | — | No | No | Jul 2026 | |
| 6 |  | Free | — | No | Yes | Nov 2026 | |
| 7 |  | Free | 2.0★ (3) | No | No | May 2026 | |
| 8 |  | $14.99 | — | No | No | Jun 2026 |
Discover and locate National Geodetic Survey markers across the United States with this app. It displays hundreds of thousands of reference points on an interactive map, color-coded by difficulty. Log your finds, view official data, and explore benchmarks nationwide.
Discover and locate National Geodetic Survey marks using interactive maps. Access detailed survey data and related Geocaching.com pages for marks within the US NGS database.
Discover and log U.S. survey marks offline with a catalog of over 793,000 entries. Track your findings, view mark details, and get directions to nearby markers. Ideal for hobbyists and professionals interested in geodetic control.
